Portobello Mushroom and Butter Bean Stew recipe

Added 17 October 2026

This hearty, earthy stew combines meaty mushrooms with creamy butter beans in a rich tomato base. It is a popular plant-based comfort food often served during the colder months for a filling weeknight dinner.

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63

Nutrient score: Very good

Goodness for its calories, 25 to 100.

How is this worked out?

The nutrient score shows how much goodness a recipe gives for its calories, from 25 to 100. Every recipe gets at least 25. It is the same for everyone.

It adds up how much of 11 nutrients people need the recipe gives for its calories: protein, fibre, vitamins A, C and E, calcium, iron, potassium, magnesium, folate and zinc. Each counts up to a full day’s worth for the calories. It then takes points off for saturated fat, added sugar and sodium above a fair share for the calories.

75 and over: Excellent. 60 to 74: Very good. 45 to 59: Good. 35 to 44: Fair. 25 to 34: Low.

The formula (from the recipe’s values per 100 g):

  1. Share of the day: the recipe’s kcal per 100 g ÷ 2,000 (under 40 kcal per 100 g, such as a herb or tea, counts as 40 kcal).
  2. 11 nutrients to encourage: protein (50 g), fibre (28 g), vitamin A (900 mcg), vitamin C (90 mg), vitamin E (15 mg), calcium (1,300 mg), iron (18 mg), potassium (4,700 mg), magnesium (420 mg), folate (400 mcg) and zinc (11 mg). For each: amount ÷ (Daily Value × share), at most 1. Add them up.
  3. 3 nutrients to limit: saturated fat (20 g), added sugar (50 g) and sodium (2,300 mg). For each: amount ÷ (limit × share) − 1, only when above 0 and at most 3. Add them up.
  4. Result = 100 × (step 2 − 2 × step 3) ÷ 11, kept between 0 and 100.
  5. Score = 25 + 0.75 × result, rounded. The scale runs from 25 to 100 instead of 0 to 100: every edible recipe gets at least 25, and the order doesn’t change.

It follows the Nutrient Rich Foods index (NRF 9.3) with the U.S. FDA Daily Values for a 2,000 kcal day. Different from the published index: folate and zinc are added (11 nutrients instead of 9), the nutrients to limit count double and each at most three times its share, the 40 kcal floor, and the 25 to 100 scale. When some of the values it needs are unknown, the score is shown as “about”.

A recipe’s values are worked out from its ingredients, whose values are estimates.

Sources: Drewnowski A. Defining nutrient density: development and validation of the Nutrient Rich Foods index. J Am Coll Nutr. 2009;28(4):421S-426S; U.S. FDA, Daily Value on the Nutrition and Supplement Facts Labels.

A low score doesn’t make a recipe bad: treats and festive dishes have their place. Use the score to compare similar recipes. In the GapPlate app you also see how much of the gaps in your day a serving fills.

Units:

Ingredients

  • 2 tbsp Olive oil (27 g)
  • 1 medium Onion (150 g)
  • 3 cloves Garlic (15 g)
  • 4 large Portobello mushroom (400 g)
  • 1 tbsp Tomato paste (16 g)
  • 1 tsp Dried thyme (1.2 g)
  • 2 cups Vegetable stock (473 g)
  • 2 cups Butter beans (canned and drained) (402 g)
  • Salt, to taste
  • Black pepper, to taste
  • 1 handful Parsley (25 g)
  • Ingredients in total: 1.51 kg
  • Weight lost in cooking: 310 g (mostly water boiling off)
  • Net weight (cooked): 1.2 kg · 4 servings of about 300 g

Method

  1. Heat the olive oil in a large heavy-based pot over medium heat.
  2. Add the finely diced onion and cook for about 5 minutes until soft and translucent.
  3. Stir in the minced garlic and cook for another minute until fragrant.
  4. Add the sliced portobello mushrooms and sauté for 6 to 8 minutes until they have released their moisture and turned golden brown.
  5. Stir in the tomato paste and dried thyme, cooking for 1 minute to deepen the flavors.
  6. Pour in the vegetable stock and bring the mixture to a gentle simmer.
  7. Add the drained butter beans, reduce the heat to low, and cover the pot to simmer for 15 minutes to allow the sauce to thicken and the flavors to meld.
  8. Season the stew with salt and black pepper to your preference.
  9. Remove from the heat and stir in the freshly chopped parsley before serving warm in bowls.

Nutrition

NutrientPer serving (300 g)Per 100 g
Calories201 kcal66.8 kcal
Protein9.21 g3.07 g
Water251 mL83.7 mL
Sodium750 mg250 mg
Total Carbohydrates27.8 g9.25 g
Total Fat7.77 g2.59 g
Sugar5.84 g1.95 g
61 more nutrients

Carbohydrates

NutrientPer serving (300 g)Per 100 g
Added Sugar0 g0 g

Minerals

NutrientPer serving (300 g)Per 100 g
Iron3.38 mg1.13 mg
Calcium93.7 mg31.2 mg
Magnesium70.9 mg23.6 mg
Potassium971 mg324 mg
Iodine1.8 mcg0.6 mcg
Phosphorus281 mg93.6 mg
Zinc1.66 mg0.55 mg
Chloride503 mg168 mg
Selenium12.4 mcg4.13 mcg
Copper0.54 mg0.18 mg
Fluoride0.045 mg0.015 mg
Manganese0.76 mg0.25 mg
Molybdenum35.8 mcg11.9 mcg
Chromium2.16 mcg0.72 mcg

Fats

NutrientPer serving (300 g)Per 100 g
Trans Fat0 g0 g
Saturated Fat1.16 g0.39 g
Cholesterol0 mg0 mg
Monounsaturated Fat5.04 g1.68 g
Omega-3 Fatty Acids0.11 g0.038 g
Polyunsaturated Fat1.02 g0.34 g
Omega-6 Fatty Acids0.86 g0.29 g
DHA (Docosahexaenoic Acid)0 mg0 mg
EPA (Eicosapentaenoic Acid)0 mg0 mg
ALA (Alpha-Linolenic Acid)0.11 g0.038 g
Arachidonic Acid0 mg0 mg
Medium-Chain Triglycerides0 g0 g
Omega-9 Fatty Acids5 g1.67 g

Fibre

NutrientPer serving (300 g)Per 100 g
Fiber9.36 g3.12 g
Soluble Fiber2.63 g0.88 g
Insoluble Fiber7.27 g2.42 g

Vitamins

NutrientPer serving (300 g)Per 100 g
Vitamin B120 mcg0 mcg
Vitamin D0.2 mcg0.067 mcg
Vitamin C16.9 mg5.65 mg
Folate (B9)75.6 mcg25.2 mcg
Niacin (B3)4.74 mg1.58 mg
Vitamin A33.3 mcg RAE11.1 mcg RAE
Thiamin (B1)0.21 mg0.069 mg
Vitamin B60.43 mg0.14 mg
Riboflavin (B2)0.57 mg0.19 mg
Pantothenic Acid (B5)1.93 mg0.64 mg
Vitamin E1.47 mg0.49 mg
Vitamin K114 mcg38 mcg
Biotin (B7)18 mcg6 mcg
Beta-Carotene503 mcg168 mcg

Others

NutrientPer serving (300 g)Per 100 g
Choline49.7 mg16.6 mg
Leucine679 mg226 mg
Lysine536 mg179 mg
Polyphenols258 mg85.9 mg
Methionine119 mg39.5 mg
Oxalates137 mg45.6 mg
Threonine366 mg122 mg
Tryptophan106 mg35.4 mg
Valine485 mg162 mg
Flavonoids94 mg31.3 mg
Histidine385 mg128 mg
Lutein / Zeaxanthin0.5 mg0.17 mg
Lycopene1.89 mg0.63 mg
Phenylalanine473 mg158 mg
Purines105 mg35.1 mg

Proteins

NutrientPer serving (300 g)Per 100 g
Isoleucine431 mg144 mg

Worked out from the ingredients with the GapPlate food library, per 100 g of the cooked dish. Estimates, not medical advice.

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